42:54
published on March 31, 2026
Recent PN/PM analytic results in the gravitational two-body system
By Donato Bini
The group of germs at infinity of homeomorphisms of the real line has no outer automorphisms
By Maxime Wolff
Appears in collection : 2024 - T2 - WS1 - Low dimensional actions
In joint work with Frédéric Le Roux and Kathryn Mann, we prove that every automorphism of the group of germs at infinity of homeomorphisms of the real line is given by the conjugation by some homeomorphism of the line.
